Description
Cleveland Controls AFS-181-43 Air Flow Switch Overview
The Cleveland Controls AFS-181-43 is a precision air flow switch engineered for dependable airflow detection and verification in HVAC systems, air handlers, and ventilation equipment. With a wide operating voltage range of 120–277Vac and a robust 15-amp non-inductive rating, this switch is built to perform reliably across a broad range of commercial and light industrial applications.
Key Features
- Setpoint range: .05″ ± .02 to 2.0″ w.c. (inches water column) for versatile airflow sensing
- Wide voltage compatibility: 120–277Vac for use across single- and multi-phase systems
- 15-amp non-inductive load rating for direct control of fans, relays, and control circuits
- Designed to confirm airflow presence or absence, protecting equipment from no-flow conditions
- Compact, durable construction suitable for duct-mounted installation
- Ideal for use in air handling units, fan coil units, and forced-air HVAC systems
Specifications
- Model: AFS-181-43
- Brand: Cleveland Controls
- Type: Air Flow Switch
- Setpoint Range: .05″ ± .02 – 2.0″ w.c.
- Voltage: 120–277Vac
- Amperage: 15 Amp Non-Inductive
Application
The AFS-181-43 is the go-to solution for HVAC technicians and contractors who need a reliable, field-proven airflow switch. It is commonly used to interlock fan operation with downstream controls, provide proof-of-flow signals to building automation systems, and safeguard heating and cooling equipment from running without adequate airflow.
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